{"title":"Hayward H-Series H100ID Heater Replacement Parts","description":"\u003cp\u003eInteractive exploded-view parts diagram for Hayward H-Series H100ID (100K BTU) heaters. Click any numbered part to see the part number, price and stock. Common replacements include the control module with ignitor, gas valve, burner, pressure switch, high limits and heat exchanger. Not sure which part you need? Call us or bring the old part into any of our stores and we'll match it.\u003c\/p\u003e","products":[{"product_id":"haywardhseriespoolheateronoffswitchchxtsw1930hppchxtsw1930","title":"Hayward H-Series Pool Heater On\/Off Switch | CHXTSW1930","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003ch2\u003eHayward CHXTSW1930 On\/Off Rocker Switch - Genuine Replacement for H-Series Pool Heaters\u003c\/h2\u003e\n\u003cp\u003eThis genuine Hayward on\/off rocker switch is a direct replacement for worn or damaged switches on Hayward H-Series pool and spa heaters. The durable 2-pin rocker design provides reliable operation and easy control of your heater system. Built to withstand the demands of pool equipment environments, this switch ensures safe and dependable heater operation.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Hayward OEM Part\u003c\/strong\u003e - Factory direct replacement ensures proper fit and function\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Pin Rocker Design\u003c\/strong\u003e - Simple on\/off operation with clear labeling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e - Built to withstand heat, moisture, and outdoor conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e - Direct replacement installs quickly with basic tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e - Works with multiple H-Series heater models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Cover\u003c\/strong\u003e - Some versions include clear rubber boot for added protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Heater Models\u003c\/h3\u003e\n\u003cp\u003eThis switch is compatible with the following Hayward heater series:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eH-Series Millivolt Models:\u003c\/strong\u003e H1501, H150P1, H2001, H200P1, H2501, H250P1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH-Series Induced Draft Models:\u003c\/strong\u003e H100ID1, H100IDP1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH-Series ED1 Models:\u003c\/strong\u003e Various induced draft heaters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfortZone (CZ) Series:\u003c\/strong\u003e All CZ heater models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeatMaster 2 (HM2) Series:\u003c\/strong\u003e All HM2 heater models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeatPro Models:\u003c\/strong\u003e Compatible HeatPro heater models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Hayward Pool Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CHXTSW1930\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 610377003247\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Type:\u003c\/strong\u003e 2-pin rocker switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e On\/Off control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Rating:\u003c\/strong\u003e AC 250V\/16A, 125V\/20A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Model:\u003c\/strong\u003e KCD3-101 rocker switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2 pounds (packaged)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace Your Heater Switch\u003c\/h3\u003e\n\u003cp\u003eReplace your on\/off switch if you experience any of these issues:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSwitch fails to turn heater on or off\u003c\/li\u003e\n\u003cli\u003eSwitch feels loose or wobbly in the mounting hole\u003c\/li\u003e\n\u003cli\u003eVisible cracking or damage to the switch housing\u003c\/li\u003e\n\u003cli\u003eSwitch toggle breaks off or becomes difficult to operate\u003c\/li\u003e\n\u003cli\u003eIntermittent heater operation when toggling switch\u003c\/li\u003e\n\u003cli\u003eElectrical arcing or burning smell near switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eALWAYS turn off power\u003c\/strong\u003e at the breaker before replacing the switch\u003c\/li\u003e\n\u003cli\u003eRemove heater front panel to access switch mounting location\u003c\/li\u003e\n\u003cli\u003eNote wire connections before removing old switch\u003c\/li\u003e\n\u003cli\u003eConnect wires to new switch in same configuration as original\u003c\/li\u003e\n\u003cli\u003eEnsure switch snaps securely into mounting hole\u003c\/li\u003e\n\u003cli\u003eTest operation before reassembling heater panel\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended if you're not comfortable working with electrical components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis component involves electrical connections - turn off all power before servicing\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your specific heater model before ordering\u003c\/li\u003e\n\u003cli\u003eIf heater fails to operate after switch replacement, check other components and consult a qualified technician\u003c\/li\u003e\n\u003cli\u003eNever bypass or modify safety switches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTroubleshooting Tips\u003c\/h3\u003e\n\u003cp\u003eIf your heater won't turn on after installing the new switch:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify power is turned back on at the breaker\u003c\/li\u003e\n\u003cli\u003eCheck that wire connections are secure\u003c\/li\u003e\n\u003cli\u003eEnsure wires are connected to correct terminals\u003c\/li\u003e\n\u003cli\u003eConfirm switch is fully seated in mounting hole\u003c\/li\u003e\n\u003cli\u003eTest with a multimeter to verify switch continuity\u003c\/li\u003e\n\u003cli\u003eCheck other safety switches and controls that may prevent heater operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: This is an electrical component. If you're not comfortable working with electrical systems, hire a qualified pool heater technician to perform the installation. Always consult your heater's service manual before attempting repairs.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSKU: CHXTSW1930\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52336012853564,"sku":"CHXTSW1930","price":22.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/hayward-h-series-pool-heater-onoff-switch-chxtsw1930-heater-parts-7613816.jpg?v=1761744484"},{"product_id":"haywardcspahseriespoolheaterpressureswitchczxprs1105hppczxprs1105","title":"Hayward C-Spa\/H-Series Pool Heater Pressure Switch | CZXPRS1105","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eHayward CZXPRS1105 Water Pressure Switch (Heater Safety Switch) — H-Series Above-Ground Induced Draft \u0026amp; C-Spa XI\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Hayward \u003cstrong\u003eCZXPRS1105\u003c\/strong\u003e is a genuine OEM \u003cstrong\u003ewater pressure switch\u003c\/strong\u003e used on select Hayward pool\/spa heaters.\n    This safety switch verifies that the heater has \u003cstrong\u003eadequate water flow\/pressure\u003c\/strong\u003e before allowing ignition. If flow is too low\n    (dirty filter, clogged basket, closed valve, air in the system, etc.), the switch helps prevent the heater from firing to protect internal\n    components from overheating.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFits \/ Compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHayward \u003cstrong\u003eH-Series Above-Ground Induced Draft\u003c\/strong\u003e heaters (commonly including \u003cstrong\u003eH100ID1\u003c\/strong\u003e natural gas and \u003cstrong\u003eH100IDP1\u003c\/strong\u003e propane)\u003c\/li\u003e\n    \u003cli\u003eHayward \u003cstrong\u003eC-Spa XI\u003c\/strong\u003e spa heater applications (model dependent)\u003c\/li\u003e\n    \u003cli\u003eAlso commonly referenced for select \u003cstrong\u003ePSE\u003c\/strong\u003e heater applications (verify your model\/parts diagram)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat It Fixes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHeater won’t fire due to a failed\/out-of-range pressure switch\u003c\/li\u003e\n    \u003cli\u003eIntermittent shutdowns caused by unstable switch contact\u003c\/li\u003e\n    \u003cli\u003eCorroded, leaking, or damaged pressure switch discovered during service\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOEM Hayward replacement for reliable fit and correct safety operation\u003c\/li\u003e\n    \u003cli\u003eCritical \u003cstrong\u003eheater protection\u003c\/strong\u003e component that helps prevent firing under low-flow conditions\u003c\/li\u003e\n    \u003cli\u003eDesigned for pool\/spa heater environments with heat and moisture exposure\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTurn off power\u003c\/strong\u003e to the heater at the breaker before servicing.\u003c\/li\u003e\n    \u003cli\u003eAlways troubleshoot the \u003cstrong\u003ecause of low flow\u003c\/strong\u003e first (filter\/basket condition, valves, bypass settings, pump operation, air leaks).\u003c\/li\u003e\n    \u003cli\u003eIf your heater uses an adjustable switch, adjust only per the heater service instructions after installation.\u003c\/li\u003e\n    \u003cli\u003eInstallation is recommended for a qualified service technician.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecs (Quick Reference)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePart Number: \u003cstrong\u003eCZXPRS1105\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePart Type: \u003cstrong\u003eHeater Parts\u003c\/strong\u003e (Water Pressure Switch)\u003c\/li\u003e\n    \u003cli\u003ePool Type: \u003cstrong\u003eIn-Ground\u003c\/strong\u003e (as commonly categorized by manufacturer listings)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=CZXPRS1105\"\u003eHayward CZXPRS1105 (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=H100ID1%20parts\"\u003eHayward H100ID1 Heater Parts (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=H100IDP1%20parts\"\u003eHayward H100IDP1 Heater Parts (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=hayward%20heater%20pressure%20switch\"\u003eHayward Heater Pressure Switches (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pool%20filter%20pressure%20gauge\"\u003eFilter Pressure Gauges (search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eIf your heater trips on flow\/pressure, clean the pump basket and filter first—restricted flow is the most common cause.\u003c\/li\u003e\n    \u003cli\u003eKeep valves fully open and verify bypass settings after any plumbing changes.\u003c\/li\u003e\n    \u003cli\u003eMaintain balanced water chemistry to reduce scale in the heater that can restrict flow over time.\u003c\/li\u003e\n    \u003cli\u003eIf a new switch trips again quickly, diagnose the underlying circulation problem instead of continuing to replace parts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52589937623356,"sku":"CZXPRS1105","price":134.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/hayward-c-spah-series-pool-heater-pressure-switch-czxprs1105-heater-parts-9328359.jpg?v=1773156331"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/collections\/hayward-h-series-h100id-heater-parts-diagram.png?v=1790709444","url":"https:\/\/aquapoolsupply.com\/collections\/parts-list-hayward-h-series-h100id-heater.oembed","provider":"Aqua Pool Supply","version":"1.0","type":"link"}