--- product_id: 57426928 title: "& Heat-N-Glo Propane Gas Pilot Assembly 4021-737" brand: "heatilator" price: "$196.92" currency: USD in_stock: true category: "Heatilator" url: https://www.desertcart.us/products/57426928-and-heat-n-glo-propane-gas-pilot-assembly-4021-737 store_origin: US region: United States of America --- # Original OEM quality pilot assembly Compatible with 50+ Heat & Glo, Quadra-Fire & Heatilator models Easy direct replacement, no batteries needed & Heat-N-Glo Propane Gas Pilot Assembly 4021-737 **Brand:** heatilator **Price:** $196.92 **Availability:** ✅ In Stock ## Summary > 🔥 Ignite your fireplace’s heart with the original pilot assembly—because your comfort deserves the best! ## Quick Answers - **What is this?** & Heat-N-Glo Propane Gas Pilot Assembly 4021-737 by heatilator - **How much does it cost?** $196.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/57426928-and-heat-n-glo-propane-gas-pilot-assembly-4021-737) ## Best For - heatilator enthusiasts ## Why This Product - Trusted heatilator brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless OEM Fit:** Engineered to perfectly replace part #4021-737 and legacy #485-511A for flawless compatibility. - • **Broad Model Coverage:** Supports over 50 fireplace models from Heat & Glo, Quadra-Fire, and Heatilator—future-proof your setup. - • **Lightweight & Compact:** At just 1.13 oz, it’s a discreet powerhouse that fits snugly without bulk. - • **No Batteries Required:** Maintenance-free ignition with zero battery hassle—just install and ignite. - • **Trusted Original HHT Part:** Genuine Heat & Glo component ensures peak performance and safety standards. ## Overview The Heat-N-Glo Propane Gas Pilot Assembly 4021-737 is an original HHT replacement part designed for seamless compatibility with a wide range of Heat & Glo, Quadra-Fire, and Heatilator propane fireplaces. This lightweight, battery-free pilot assembly ensures reliable ignition and optimal performance, making it the go-to choice for professional-grade fireplace maintenance and upgrades. ## Description HHT, Heatilator and Heat & Glo LP/Propane Gas Pilot Assembly 4021-737 (485-511A) Original HHT Parts. No Generics Replacement propane (LP) pilot assembly for Hearth & Home gas stoves and fireplaces. Fits the following HHT gas fireplace models: Quadrafire Gas Fireplaces: QV32 QV32-A QV36 QV36-A QV36D QV36D-A QV36DB QV36DB-A QVI-30FB QV-Pier QV-ST Heat N Glo Gas Fireplaces: AT-Grand-B AT-Grand-C AT-Grand-D AT-Supreme-B AT-Supreme-C AT-Supreme-D AT-ZC-B - Robert Shaw valve after February 2001 Bay-Insert-NS CFX-Grand-B CFX-IN-B FB-Grand FB-IN Bay-38HV L-COR-TRC L-COR-TVFL Pier-38HV Pier-TRC Pier-TVFL R-COR-TRC R-COR-TVFL ST-38HV ST-42TVFL ST-TRC 6000BE 6000CAMP 6000SEB 6000TRB 6000TRI 6000TRI-SP 6000TR-OAK 6000TRXI 6000TVB 6000TV-Oak 6000XLSB 6000XLTB 7000TR-NF 7000TV-NF 7000XLS-NF 7000XLT-NF 8000TRC 8000TRD 8000TR-Oak - Pre serial # 0021116425 8000TVC 8000TVD 8000TV-Oak - Pre serial # 0021116948 BE-41 BE-41B Everest - Standing pilot only, pre serial # 5000 BE-32 - Pre serial # 2107620 BE-36 BE-36-C - Pre serial # 0021076020 SL-350TRS SL-350TV SL-550TR SL-550TR-C SL-550TR-D - Pre serial # 0021076206 SL-550TRS SL-550TRS-B SL-550TRS-C SL-550TV SL-750TR SL-750TR-C SL-750TR-D - Pre serial # 0021076251 SL-750TRFL SL-750TRS-B SL-750TRS-C SL-750TV SL-750TV-C SL-950TR SL-950TR-C SL-950TV Heatilator Gas Fireplaces: NB3630 - Pre Serial # GA1587915 NB3933 - Pre Serial # GA1587915 NB4236 - Pre Serial # GA1587915 NB4842 - Pre Serial # GA1587915 ND3630 & ND3630L - Pre serial # GA1587914 ND3630M - Pre serial # GA1587914 ND3933 & ND3933L - Pre serial # GA1587914 ND3933M - Pre serial # GA1587914 ND4236 & ND4236L - Pre serial # GA1587914 ND4236M - Pre serial # GA1587914 ND4842 & ND4842L - Pre serial # GA1587914 ND4842M - Pre serial # GA1587914 HHT part # 4021-737 Replaces old part number 485-511A OEM Quadrafire part. May fit other models, check your owners manual for part numbers. ## Features - LP PIlot Assembly - HHT Pilot Assembly - 4021-737 - Heatilator, Heat N Glo and Quadra-Fire Pilot Assembly - Original HHT parts ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B016JROKTO | | Batteries required | No | | Best Sellers Rank | #1,107,376 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #450 in Fireplace Replacement Parts | | Customer Reviews | 4.6 4.6 out of 5 stars (175) | | Is Discontinued By Manufacturer | No | | Item Weight | 1.13 ounces | | Item model number | 4021-737 | | Manufacturer | HHT | | Package Dimensions | 11.57 x 6.26 x 2.01 inches | ## Images ![& Heat-N-Glo Propane Gas Pilot Assembly 4021-737 - Image 1](https://m.media-amazon.com/images/I/71A-0NNaqIL.jpg) ![& Heat-N-Glo Propane Gas Pilot Assembly 4021-737 - Image 2](https://m.media-amazon.com/images/I/61eTKKavqDL.jpg) ![& Heat-N-Glo Propane Gas Pilot Assembly 4021-737 - Image 3](https://m.media-amazon.com/images/I/71knwuSYGcL.jpg) ![& Heat-N-Glo Propane Gas Pilot Assembly 4021-737 - Image 4](https://m.media-amazon.com/images/I/71OAznhuMNL.jpg) ## Questions & Answers **Q: What is the correct thermocouple i need to buy to replace the one on the heatilator & heat-n-glo propane gas pilot assembly 4021-737 ?** A: # 2103-512 - Amazon's Choice. It was very easy to replace, I had it completed in about 30". **Q: Is this compatible with my heatilator lp gas, mod# nd42361, ser# ga1670691 fireplace?** A: Pre serial number GA1587914 uses 4021-737, Post GA1587914 uses 2103-011. So you need 2103-011. **Q: Does the thermocouple nut screw clockwise or counter to tighten? I just removed old assembly and got everything on for new except this nut** A: Clockwise **Q: Will this fit a heat-n-glo model 7000 xlt?** A: the replacement number is 485-511a for propane and 485-510a for nature gas ## Frequently Bought Together - Heatilator & Heat-N-Glo Propane Gas Pilot Assembly 4021-737 - HHT Gas Fireplace Valve - LP (060-523) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/57426928-and-heat-n-glo-propane-gas-pilot-assembly-4021-737](https://www.desertcart.us/products/57426928-and-heat-n-glo-propane-gas-pilot-assembly-4021-737) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-08*